<!DOCTYPE html>
<html>
<body>

<p>Example list:</p>

<ul>
  <li id="item1">Coffee (first li)</li>
  <li id="item2">Tea (second li)</li>
</ul>

<p>Click the button to get the HTML content of the next sibling of the first list item.</p>

<button onclick="myFunction()">Try it</button>

<p><strong>Note:</strong> The nextElementSibling property is not supported in IE8 and earlier versions.</p>

<p id="demo"></p>

<script>
function myFunction() {
  var x = document.getElementById("item1").nextElementSibling.innerHTML; 
  window.alert(x);
}
</script>

</body>
</html>
